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Smart Sensor AS8903 Multi Gas Monitor Carbon Monoxide and Hydrogen Sulfide Gas Analyzer Detector CO H2S Tester Monitor Meter

Smart Sensor gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak and interface with a control system so a process can be automatically shut down. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life.Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion, etc. This type of device is widely used in industry and can be found in locations, such as on oil rigs, to monitor manufacture processes and emerging technologies such as photovoltaic. They may also be used in firefighting.While many of the standard gas detector units were originally fabricated to detect one gas, modern multifunctional or multi-gas devices are capable of detecting several gases at once. Some detectors may be utilized as individual units to monitor small workspace areas, or units can be combined or linked together to create a protection system.

Specification
Brand:SMART SENSOR
Material:ABS plastic
Gas Type:Carbon Monoxide / Hydrogen Sulfide
Carbon Monoxide (CO):0~1000ppm T90 50sec
Hyrogen Sulfide (H2S):0~500ppm T90 30se
Resolution:1ppm
Response time:＜50s
Recovery Time:＜50s
Measuring Principle:Electrochemical principle, life for 2 years
Low / High Alarm / Alarm Setting:Yes
Alarm:Sound, Light Alarm. Adjustable Alarm values,Alarm sound up to 80 db.
Operating temperature:-10~50℃ (except LEL is 0 ~40℃ )
Operating humidity:15%-95%RH (Standard) 
Power:3.7V li-battery (Built-in)
Battery working runtime:18 hours. And 12 hours work with AS8930sampling pump.  (work in room temperature and no alarmconditions.) 
Weight:200g
Size:120.2*64.5*38.3mm 